/* ---------------------------------------------------------------------------
   Design tokens
   --------------------------------------------------------------------------- */
:root {
  color-scheme: dark;
  --color-bg: #09090b;
  --color-text: #fafafa;
  --color-muted: #a1a1aa;
  --color-muted-strong: #d4d4d8;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-surface: rgba(255, 255, 255, 0.03);
  --color-input-bg: rgba(255, 255, 255, 0.05);
  --color-accent: #60a5fa;
  --color-accent-glow: rgba(96, 165, 250, 0.35);
  --color-ring: rgba(96, 165, 250, 0.45);
  --color-primary-border: #1d9e75;
  --color-primary-bg: #e1f5ee;
  --color-primary-text: #0f6e56;
  --color-hero-bg: rgba(255, 255, 255, 0.015);
  --color-controls-bg: #0c0c0f;
  --color-footer-bg: rgba(255, 255, 255, 0.01);
  --radius-panel: 12px;
  --radius-control: 10px;
  --radius-btn: 999px;
  --radius-sheet: 16px;
  --font-family: "Outfit", system-ui, sans-serif;
  --controls-width: 22rem;
  --sheet-ease: cubic-bezier(0.32, 0.72, 0, 1);
  --sheet-duration: 0.35s;
  --avatar-size: clamp(14rem, 62vw, 21rem);
  --glass-blur: 12px;
}

/* ---------------------------------------------------------------------------
   Base
   --------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
}

.page-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
  min-width: 0;
  background: var(--color-hero-bg);
  position: relative;
  isolation: isolate;
}

.page-main::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 55% at 15% 35%, rgba(96, 165, 250, 0.09), transparent 70%),
    radial-gradient(ellipse 55% 45% at 85% 65%, rgba(167, 139, 250, 0.07), transparent 70%),
    radial-gradient(ellipse 40% 35% at 50% 90%, rgba(45, 212, 191, 0.05), transparent 70%);
  pointer-events: none;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  padding: 0;
}

button,
input,
select {
  font: inherit;
}

/* ---------------------------------------------------------------------------
   Page layout — 70/30 hero + controls on desktop
   --------------------------------------------------------------------------- */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.page-header {
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-hero-bg);
}

.page-header__inner,
.page-footer__inner {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0.5rem 1rem;
}

.page-header__inner {
  text-align: center;
}

.page-header__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-header__desc {
  margin: 0.2rem 0 0;
  font-size: 0.75rem;
  color: var(--color-muted-strong);
}

.page-footer {
  flex-shrink: 0;
  margin-top: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
}

.page-footer__inner {
  padding: 0.5rem 1rem;
  text-align: center;
}

.preview {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  padding: 0.75rem 0.5rem;
}

.preview__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.preview__canvas-wrap {
  position: relative;
  line-height: 0;
}

.preview__zoom-btn {
  position: absolute;
  right: 0.375rem;
  bottom: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(9, 9, 11, 0.75);
  backdrop-filter: blur(8px);
  color: var(--color-muted-strong);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.preview__zoom-btn svg {
  width: 1rem;
  height: 1rem;
}

.preview__zoom-btn:hover {
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(9, 9, 11, 0.9);
}

.preview__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-muted-strong);
}

.badge--accent {
  border-color: rgba(96, 165, 250, 0.35);
  background: rgba(96, 165, 250, 0.1);
  color: #93c5fd;
}

.sheet-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.app__canvas {
  display: block;
  width: var(--avatar-size);
  height: var(--avatar-size);
  max-width: var(--avatar-size);
  max-height: var(--avatar-size);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 16px 48px rgba(0, 0, 0, 0.35);
}

/* ---------------------------------------------------------------------------
   Controls panel (sheet)
   --------------------------------------------------------------------------- */
body.sheet-open {
  overflow: hidden;
}

.sheet {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  visibility: hidden;
}

.sheet--open {
  pointer-events: auto;
  visibility: visible;
}

.sheet__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  transition: opacity var(--sheet-duration) ease;
}

.sheet--open .sheet__overlay {
  opacity: 1;
}

.sheet__content {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: min(24rem, 100vw);
  height: 100%;
  min-height: 0;
  border-left: 1px solid var(--color-border);
  background: var(--color-controls-bg);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.35);
  outline: none;
  transform: translateX(100%);
  transition: transform var(--sheet-duration) var(--sheet-ease);
}

.controls-panel .sheet__content {
  background: linear-gradient(180deg, rgba(12, 12, 15, 0.98) 0%, rgba(9, 9, 11, 0.99) 100%);
}

.sheet--open .sheet__content {
  transform: translateX(0);
}

.sheet__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.5rem;
  flex-shrink: 0;
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.sheet__header-text {
  flex: 1 1 auto;
  min-width: 0;
}

.sheet__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.sheet__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-input-bg);
  color: var(--color-muted-strong);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.sheet__close svg {
  width: 1rem;
  height: 1rem;
}

.sheet__close:hover {
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.08);
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  order: 2;
}

.sheet__close {
  order: 3;
}

.sheet__body {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 0.5rem 0.625rem 0.875rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.35) rgba(255, 255, 255, 0.06);
}

.panel-hint {
  margin: 0 0 0.25rem;
  padding: 0.5rem 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: rgba(96, 165, 250, 0.06);
  font-size: 0.6875rem;
  line-height: 1.45;
  color: var(--color-muted-strong);
}

.sheet__export {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem 0.75rem;
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.25);
}

.sheet__export-label {
  margin: 0;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted-strong);
}

.export-settings {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.export-settings__row {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  align-items: center;
  gap: 0.375rem;
}

.export-settings__key {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.sheet__body::-webkit-scrollbar {
  width: 6px;
}

.sheet__body::-webkit-scrollbar-track {
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
}

.sheet__body::-webkit-scrollbar-thumb {
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.35);
}

/* Desktop: 70/30 split */
@media (min-width: 49rem) {
  body {
    overflow: hidden;
  }

  .page {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(22rem, 3fr);
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
      "header header"
      "main   controls"
      "footer footer";
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
  }

  .page-header {
    grid-area: header;
  }

  .page-main {
    grid-area: main;
    overflow: hidden;
    justify-content: center;
  }

  .page-footer {
    grid-area: footer;
  }

  .preview {
    height: 100%;
    padding: 0.5rem 0.75rem;
    overflow: hidden;
  }

  :root {
    --avatar-size: min(
      32rem,
      calc(100dvh - 8.5rem),
      calc(68vw - 2rem)
    );
  }

  .sheet-trigger {
    display: none;
  }

  .sheet {
    grid-area: controls;
    position: relative;
    inset: auto;
    height: 100%;
    min-height: 0;
    pointer-events: auto;
    visibility: visible;
    z-index: auto;
    width: 100%;
    border-left: 1px solid var(--color-border);
    background: var(--color-controls-bg);
  }

  .sheet__overlay {
    display: none;
  }

  .sheet__close {
    display: none;
  }

  .sheet__content {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: 100%;
    max-height: none;
    min-height: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    transform: none;
    overflow: hidden;
  }

  .sheet--open .sheet__content {
    transform: none;
  }
}

/* Mobile: bottom sheet */
@media (max-width: 48rem) {
  body {
    overflow: auto;
  }

  .page {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
  }

  .page-main {
    flex: 1;
  }

  .preview {
    padding: 0.75rem 0.5rem 5rem;
  }

  .page-footer {
    margin-top: auto;
  }

  .sheet {
    order: 99;
  }

  .sheet-trigger {
    position: fixed;
    left: max(1rem, env(safe-area-inset-left));
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 40;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.75rem 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  }

  .sheet {
    position: fixed;
    inset: 0;
  }

  .sheet__content {
    top: auto;
    right: 0;
    left: 0;
    width: 100%;
    height: auto;
    max-height: min(88vh, 100dvh);
    min-height: 0;
    border-left: none;
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius-sheet) var(--radius-sheet) 0 0;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.45);
    transform: translateY(100%);
    overflow: hidden;
  }

  .sheet--open .sheet__content {
    transform: translateY(0);
  }

  :root {
    --avatar-size: min(18rem, 82vw);
  }

  .sheet__header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .sheet__header-text {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .quick-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.375rem;
    width: 100%;
  }

  .quick-actions .btn--compact {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.5rem 0.375rem;
  }

  .sheet__close {
    position: absolute;
    top: 0.625rem;
    right: 0.75rem;
  }

  .sheet__header {
    position: relative;
    padding-right: 3rem;
  }

  .option-chip span,
  .option-chip--sm span {
    min-height: 2.75rem;
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
  }

  .btn--preset {
    min-height: 2.75rem;
  }

  .export-actions .btn {
    min-height: 2.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sheet__overlay,
  .sheet__content {
    transition: none;
  }
}

/* ---------------------------------------------------------------------------
   Accordion sections
   --------------------------------------------------------------------------- */
.accordion {
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s ease;
}

.accordion.is-open {
  border-color: rgba(255, 255, 255, 0.14);
}

.accordion + .accordion {
  margin-top: 0.375rem;
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: none;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.accordion__trigger:hover {
  background: rgba(255, 255, 255, 0.06);
}

.accordion__chevron {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
  color: var(--color-muted-strong);
  transition: transform 0.2s ease;
}

.accordion:not(.is-open) .accordion__chevron {
  transform: rotate(-90deg);
}

.accordion__content {
  display: block;
}

.accordion:not(.is-open) .accordion__content {
  display: none;
}

.accordion__inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 0.5rem 0.625rem;
}

.panel__card {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.panel__card-label--spaced {
  margin-top: 0.125rem;
  padding-top: 0.5rem;
}

.panel__card-label {
  margin: 0;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted-strong);
}

/* ---------------------------------------------------------------------------
   Gradient selector cards (21st.dev pattern)
   --------------------------------------------------------------------------- */
.gradient-selector {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.4375rem;
  max-height: 11.5rem;
  overflow-y: auto;
  padding-right: 0.25rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.gradient-selector::-webkit-scrollbar {
  width: 4px;
}

.gradient-selector::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.gradient-card {
  cursor: pointer;
}

.gradient-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.gradient-card__surface {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4375rem;
  padding: 0.5625rem 0.4375rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-input-bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.gradient-card:hover .gradient-card__surface {
  border-color: rgba(255, 255, 255, 0.18);
}

.gradient-card:has(input:checked) .gradient-card__surface {
  border-color: var(--t-accent, var(--color-accent));
  box-shadow:
    0 0 0 2px var(--t-accent, var(--color-accent)),
    0 0 20px 2px var(--t-glow, var(--color-accent-glow));
}

.gradient-card:has(input:checked) .gradient-card__surface::after {
  content: "Active";
  position: absolute;
  top: 0.3125rem;
  right: 0.3125rem;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-btn);
  background: var(--t-accent, var(--color-accent));
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0a0a0a;
  line-height: 1.2;
}

/* Mini avatar preview — colors match js/config.js THEMES exactly */
.gradient-card__swatch {
  position: relative;
  display: block;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 38%, var(--t-bg-hi, #151b28) 0%, var(--t-bg) 52%, var(--t-bg-lo, #05070c) 100%);
  box-shadow:
    0 0 0 2px var(--t-accent),
    0 0 10px 1px var(--t-glow),
    inset 0 -8px 16px rgba(0, 0, 0, 0.45);
}

.gradient-card__swatch::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--t-glow) 0%, transparent 70%);
  opacity: 0.55;
  pointer-events: none;
}

.gradient-card__label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-align: center;
  color: var(--color-muted-strong);
}

.gradient-card:has(input:checked) .gradient-card__label {
  color: var(--color-text);
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.3125rem;
}

.option-row--wrap {
  flex-wrap: wrap;
}

.panel__card-label--sub {
  margin-top: 0.375rem;
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--color-muted);
  text-transform: none;
  letter-spacing: 0.01em;
}

.field--spaced {
  margin-top: 0.625rem;
}

/* ---------------------------------------------------------------------------
   Form controls
   --------------------------------------------------------------------------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.3125rem;
}

.field__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.field__label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.field__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted-strong);
}

.field__hint {
  font-weight: 400;
  color: var(--color-muted);
}

.field__counter {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-muted);
}

.field__value {
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.field__value-unit {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.field__input,
.field__select {
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-input-bg);
  color: var(--color-text);
  font-size: 0.8125rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field__input:focus,
.field__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-ring);
}

.field__input::placeholder {
  color: #71717a;
}

/* Range slider — filled track (21st Range Slider pattern) */
.field__range {
  --range-fill: 50%;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 0.375rem;
  border-radius: var(--radius-btn);
  background: linear-gradient(
    to right,
    var(--color-accent) 0%,
    var(--color-accent) var(--range-fill),
    rgba(255, 255, 255, 0.1) var(--range-fill),
    rgba(255, 255, 255, 0.1) 100%
  );
  cursor: pointer;
  transition: box-shadow 0.15s ease;
}

.field__range:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-ring);
}

.field__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2), 0 2px 8px var(--color-accent-glow);
  cursor: grab;
  transition: transform 0.12s ease;
}

.field__range:active::-webkit-slider-thumb {
  cursor: grabbing;
  transform: scale(1.12);
}

.field__range::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2), 0 2px 8px var(--color-accent-glow);
  cursor: grab;
}

.field__range::-moz-range-track {
  height: 0.375rem;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, 0.1);
}

.field__range::-moz-range-progress {
  height: 0.375rem;
  border-radius: var(--radius-btn);
  background: var(--color-accent);
}

.field__select {
  cursor: pointer;
}

/* ---------------------------------------------------------------------------
   Option chips (size, bg, format)
   --------------------------------------------------------------------------- */
.option-row,
.format-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3125rem;
}

.option-row--compact {
  gap: 0.25rem;
}

.option-chip {
  position: relative;
  cursor: pointer;
}

.option-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.export-settings.segmented {
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.02);
  gap: 0.5rem;
}

.option-chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2rem;
  padding: 0.375rem 0.5rem;
  border: 1px solid transparent;
  border-radius: calc(var(--radius-control) - 2px);
  background: transparent;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted-strong);
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.option-chip:hover span {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}

.option-chip:has(input:checked) span {
  border-color: rgba(96, 165, 250, 0.4);
  background: rgba(96, 165, 250, 0.14);
  color: var(--color-text);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.option-chip:active span {
  transform: scale(0.97);
}

.option-chip--sm span {
  min-width: 2.5rem;
  min-height: 2rem;
  padding: 0.3125rem 0.4375rem;
  font-size: 0.6875rem;
}

.option-chip--format span {
  min-width: 2.75rem;
  padding: 0.375rem 0.5rem;
}

/* ---------------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------------- */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn {
  padding: 0.4375rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-input-bg);
  color: var(--color-text);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.1s ease;
}

.btn:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn--active {
  border-color: var(--color-accent);
  background: rgba(77, 166, 255, 0.15);
}

.btn--primary {
  border-color: var(--color-primary-border);
  background: var(--color-primary-bg);
  color: var(--color-primary-text);
  font-weight: 600;
}

.btn--cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4375rem;
  width: 100%;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-control);
  background: linear-gradient(135deg, #e1f5ee 0%, #c8ede0 100%);
  color: var(--color-primary-text);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: filter 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn--cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.45) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
  pointer-events: none;
}

.btn--cta:hover:not(:disabled)::after {
  transform: translateX(120%);
}

.btn--cta:hover:not(:disabled) {
  filter: brightness(1.04);
  box-shadow: 0 4px 14px rgba(29, 158, 117, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn--cta:hover:not(:disabled) {
  filter: brightness(1.05);
  border-color: var(--color-primary-border);
  background: var(--color-primary-bg);
}

.btn--cta:active:not(:disabled) {
  transform: scale(0.98);
}

.btn--preset {
  width: 100%;
  padding: 0.375rem 0.25rem;
  font-size: 0.625rem;
  font-weight: 600;
  text-align: center;
  border-color: transparent;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.12s ease;
}

.btn--preset:hover {
  border-color: var(--color-border);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-1px);
}

.btn--preset:active {
  transform: translateY(0);
}

.btn--sm {
  padding: 0.375rem 0.5rem;
  font-size: 0.6875rem;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn--compact {
  padding: 0.375rem 0.625rem;
  min-height: 2.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
}

.btn__icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
   Export actions & status
   --------------------------------------------------------------------------- */
.export-actions {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.btn--copy {
  width: 100%;
  text-align: center;
}

.status-banner--compact {
  padding: 0.4375rem 0.5625rem;
  font-size: 0.6875rem;
}

.status-banner--compact .status-banner__icon {
  width: 0.875rem;
  height: 0.875rem;
}

.status-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid rgba(29, 158, 117, 0.35);
  border-radius: var(--radius-control);
  background: rgba(29, 158, 117, 0.1);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  color: #a8e6cf;
}

.status-banner--info {
  border-color: rgba(77, 166, 255, 0.35);
  background: rgba(77, 166, 255, 0.1);
  color: #b8d9ff;
}

.status-banner--busy {
  border-color: rgba(255, 193, 7, 0.35);
  background: rgba(255, 193, 7, 0.08);
  color: #ffe082;
}

.status-banner--error {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
}

.status-banner__icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-top: 0.0625rem;
}

.help-text {
  margin: 0;
  font-size: 0.6875rem;
  line-height: 1.5;
  color: var(--color-muted-strong);
}

.is-hidden {
  display: none;
}

/* ---------------------------------------------------------------------------
   Footer — compact & muted
   --------------------------------------------------------------------------- */
.site-footer {
  width: 100%;
}

.site-footer__name {
  margin: 0;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: #52525b;
}

.site-footer__inline {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer__inline:hover {
  color: #71717a;
}

@media (max-width: 48rem) {
  .page-footer {
    margin-top: auto;
  }

  .page-footer__inner {
    text-align: left;
  }
}

/* Zoom modal */
.zoom-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.zoom-modal.is-hidden {
  display: none;
}

.zoom-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(4px);
}

.zoom-modal__content {
  position: relative;
  z-index: 1;
  line-height: 0;
}

.zoom-modal__content canvas {
  display: block;
  width: min(90vmin, 36rem);
  height: min(90vmin, 36rem);
  border-radius: 50%;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.zoom-modal__close {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: #18181b;
  color: var(--color-text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}